18 PACIFIC COAST AVIFAUNA No. 11 
AL (Gl)) Cerorhinca monocerata (Pallas) 
RHINOCEROS AUKLET 
Synonyms—Uria occidentalis; Cerorhina occidentalis; Cerorhina suckleyi; 
Sagmatorrhina suckleyi; Ceratorhyncha monocerata; Horn-billed Guillemot ; 
Horn-billed Auk. 
Status—Common mid-winter visitant on the ocean off our seacoast, at least 
from the vicinity of the Farallones to San Diego (many records). Said to have 
formerly bred on the Farallon Islands (Heermann, Pac. R. R. Rep., x, 1859, 
[dy (aye 
1216) Ptychoramphus aleuticus (Pallas) 
Cassin AUKLET 
Synonyms—WMergulus cassin; Aleutian Auk. 
Status—Common resident on the ocean off our whole seacoast. Breeds 
abundantly on the Farallones; also on Santa Barbara Island (J. Grinnell, Rep. 
Bds. Santa Barbara Ids., 1897, p. 22), Santa Cruz Island (Beck, Bull. Cooper 
Orn. Club, 1, 1899, p. 85), and at San Miguel Island (Streator, Orn. & Ool., xm, 
1888, p. 54; Willett, Condor, xm, 1910, p. 172; H. Wright and G. K. Snyder, 
Condor, xv, 1913, p. 89). Reeorded also as breeding on islets along coast of 
Humboldt County (Clay, Condor, xv, 1913, p. 93). 
13 (17) Phaleris psittacula (Pallas) 
PaRoQuET AUKLET 
Synonyms—Cyclorrhynchus psittaculus; Simorhynchus psittaculus. 
Status—Rather rare midwinter visitant along our central and northern sea- 
coast: San Francisco Bay, December and January, 5 specimens (Loomis, Auk, 
xvi, 1901, p. 104); Monterey Bay, January, 3 specimens (Beck, Condor, 1x, 
1907, p. 58); off Point Pinos, near Monterey, January, 14 specimens (Beck, 
Proc. Calif. Acad. Sci., 4th ser., m1, 1910, p. 59); Eureka, Humboldt County, 
February 7, 1 specimen (Clay, Condor, xiv, 1912, p. 196). 
14 (21) Synthliboramphus antiquus (Gmelin) 
ANCIENT MURRELET 
Status—Fairly common midwinter visitant on the ocean coastwise: Pacific 
Beach, San Diego County (Bishop, Condor, vi, 1905, p. 141); San Pedro (H. 
Wright, Condor, x1, 1909, p. 65); Terminal Island and Hyperion, Los Angeles 
County (Willett, Pac. Coast Avif. no. 7, 1912, p. 11); Santa Catalina Island 
(Osburn, Condor, xm, 1911, p. 76); San Clemente Island (Linton, Condor, x1, 
1909, p. 193) ; Santa Cruz Island (Linton, Condor, x, 1908, p. 128) ; off Monte- 
rey and Monterey Bay (Stejneger, Proc. U. S. Nat. Mus., rx, 1886, p. 524; 
Loomis, Proc. Calif. Acad. Sci., 2nd ser., v1, 1896, p. 17; J. Mailliard, Auk, xv, 
1898, p. 197; Beek, Proc. Calif. Acad. Sci., 4th ser., 1m, 1910, p. 59; Mus. Vert. 
Zool., many specimens, December 1 to March 17); San Francisco Bay (Kobbe, 
Bailey’s Handbook Bds., 1902, p. xlviii; Littlejohn, Condor, xtv, 1912, p. 41). 
